Head to head · Four-Wheel Drive

John Deere 7520 (1972-1975) vs John Deere 9120

Image not recorded
John DeereModel A

John Deere 7520 (1972-1975)

Four-Wheel Drive

power
175 hp
displacement
531 ci
Cylinders
6
Forward gears
16
Full 7520 (1972-1975) specs
John Deere 9120 Tractor
John DeereModel B

John Deere 9120

Four-Wheel Drive

power
245 hp
displacement
496 ci
Cylinders
6
Forward gears
Not recorded
Full 9120 specs
John DeereJohn Deere 7520 (1972-1975)
vs
John DeereJohn Deere 9120

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 132–162

Engine Power

▲ 9120 higher · +70 hp (+40%)
7520 (1972-1975)175 hp
9120245 hp
Median Four-Wheel Drive Tractor375 hp

7520 (1972-1975) is in the 5th percentile; 9120 is in the 14th · 162 models

Engine Displacement

▲ 7520 (1972-1975) higher · +35 ci (+7%)
7520 (1972-1975)531 ci
9120496 ci
Median Four-Wheel Drive Tractor826 ci

7520 (1972-1975) is in the 12th percentile; 9120 is in the 8th · 152 models

Cylinders

= Effectively tied
7520 (1972-1975)6
91206
Median Four-Wheel Drive Tractor6

7520 (1972-1975) is in the 50th percentile; 9120 is in the 50th · 159 models

Operating Weight

▲ 9120 higher · +18,575 lb (+111%)
7520 (1972-1975)16,800 lb
912035,375 lb
Median Four-Wheel Drive Tractor37,428 lb

7520 (1972-1975) is in the 5th percentile; 9120 is in the 44th · 132 models

7520 (1972-1975) (A)9120 (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
ManufacturerJohn DeereJohn DeereSame
Model7520 (1972-1975)9120—
CategoryFour-Wheel DriveFour-Wheel DriveSame

Engine

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
ManufacturerJohn DeereNot recorded—
Power Output175hp245hp▲ 9120+70 hp · +40%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement531ci496ci▲ 7520 (1972-1975)+35 ci · +7%
Bore4.8in4.6in▲ 7520 (1972-1975)+0.2 in · +4%
Stroke5in5.1in▲ 9120+0.1 in · +2%

Transmission

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
TypePartially synchronized18-speed—

Dimensions & Weight

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Length220inNot recorded—
Width95.7inNot recorded—
Height123inNot recorded—
Operating Weight16,800lb35,375lb▲ 9120+18,575 lb · +111%

Hydraulics

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
System TypeClosed centerNot recorded—
Steering TypeHydrostatic powerNot recorded—

Power Take-off (PTO)

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
TypeTransmissionNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Front Tire SizeNot recorded620/70R46—
Rear Tire SizeNot recorded620/70R46—

Hitch & Towing

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Hitch CategoryCategory 3Not recorded—
Hitch CapacityNot recorded13,871lb—

Chassis & Drive

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Chassis Type4x4 articulated 4WDfour-wheel drive with duals—
Drive Type4WD4WDSame
Steering TypeHydrostatic powerNot recorded—
Brake TypeIntegral hydraulic wet discNot recorded—

Electrical

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Starter TypeElectricNot recorded—

Capacities

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
Coolant10galNot recorded—

Operator Station

SpecJohn Deere 7520 (1972-1975)John Deere 9120Difference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 375 hp
A · 5th percentile (175 hp)B · 14th percentile (245 hp)

Engine Displacement

median 826 ci
A · 12th percentile (531 ci)B · 8th percentile (496 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Operating Weight

median 37,428 lb
A · 5th percentile (16,800 lb)B · 44th percentile (35,375 lb)
A · 7520 (1972-1975)B · 9120Median Four-Wheel Drive Tractor
Full spec pageJohn Deere 7520 (1972-1975)Full spec pageJohn Deere 9120